An object placed 25 cm in front of a spherical mirror forms a virtual image 10 cm…
PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
An object placed 25 cm in front of a spherical mirror forms a virtual image 10 cm behind the mirror. Without calculating the exact focal length, state the sign of the focal length and identify whether the mirror is concave or convex, justifying your answer in one or two sentences.